import java.util.InputMismatchException;
import java.util.Scanner;
public class GuessNumber {
    public static void main(String[] args) {
        System.out.println("欢迎来到猜数字");
Scanner scan=new Scanner(System.in);

         while (true) {
             int answer = (int) (Math.random() * 100 + 1);
             int chances = 7;
             int guess;
             while (chances > 0) {
                 System.out.println("请输入一个1-100之间的数字，含1和100,你还有几次:" + chances + "机会");
                 try {
                     guess = scan.nextInt();
                 } catch (InputMismatchException e) {
                     System.out.println("请输入数字");

                     scan.next(); //把回车给读取掉防止死循环
                     continue;
                 }
                 //4比较一次并给出反馈
                 if (guess == -1) {
                     break;
                 } else if (guess > answer) {
                     System.out.println("大了!");
                 } else if (guess < answer) {
                     System.out.println("小了!");
                 } else {
                     System.out.println("恭喜猜对啦");
                     break;
                 }
                 chances = chances - 1;

             }
             System.out.println("再玩一次吗？（y/n）");
             String again=scan.next();
             if(!again.equalsIgnoreCase("y")){
                 break;
             }
         }

    }
}